Stefan Nickel

Publication Activity (10 Years)

Years Active: 1997-2024
Publications (10 Years): 37

Top Topics

Strategic And Tactical

Location Problems

Online Algorithms

Top Venues

Eur. J. Oper. Res.

Ann. Oper. Res.

Comput. Chem. Eng.

Int. Trans. Oper. Res.

Publications

Antonio Diglio, Stefan Nickel, Francisco Saldanha-da-Gama
Correction to: Towards a stochastic programming modeling framework for districting. Ann. Oper. Res. 332 (1) (2024)
Hannah Bakker, Stefan Nickel
The Value of the Multi-period Solution revisited: When to model time in capacitated location problems. Comput. Oper. Res. 161 (2024)
Fabian Dunke, Stefan Nickel
Metamodel-based dynamic algorithm configuration using artificial neural networks. Int. J. Gen. Syst. 53 (1) (2024)
Marc Janschekowitz, Gita Taherkhani, Sibel A. Alumur, Stefan Nickel
An alternative approach to address uncertainty in hub location. OR Spectr. 45 (2) (2023)
Shiva Faeghi, Kunibert Lennerts, Stefan Nickel
A system dynamics model application to operating room planning and management. J. Simulation 17 (1) (2023)
Hannah Bakker, Viktor Bindewald, Fabian Dunke, Stefan Nickel
Logistics for diagnostic testing: An adaptive decision-support framework. Eur. J. Oper. Res. 311 (3) (2023)
Viktor Bindewald, Fabian Dunke, Stefan Nickel
Comparison of different approaches to multistage lot sizing with uncertain demand. Int. Trans. Oper. Res. 30 (6) (2023)
Fabian Dunke, Stefan Nickel
A matheuristic for customized multi-level multi-criteria university timetabling. Ann. Oper. Res. 328 (2) (2023)
Michael Simonis, Stefan Nickel
A simulation-optimization approach for a cyclic production scheme in a tablets packaging process. Comput. Ind. Eng. 181 (2023)
Fabian Dunke, Stefan Nickel
Correction to: Exact distributional analysis of online algorithms with lookahead. 4OR 20 (1) (2022)
Fabian Dunke, Stefan Nickel
A multi-method approach to scheduling and efficiency analysis in dual-resource constrained job shops with processing time uncertainty. Comput. Ind. Eng. 168 (2022)
Fabian Dunke, Stefan Nickel
Online optimization with gradual look-ahead. Oper. Res. 21 (4) (2021)
Fabian Dunke, Stefan Nickel
Exact distributional analysis of online algorithms with lookahead. 4OR 19 (2) (2021)
Anne Zander, Stefan Nickel, Peter T. Vanberkel
Managing the intake of new patients into a physician panel over time. Eur. J. Oper. Res. 294 (1) (2021)
Sobhan Razm, Alexandre Dolgui, Ramzi Hammami, Nadjib Brahimi, Stefan Nickel, Hadi Sahebi
A two-phase sequential approach to design bioenergy supply chains under uncertainty and social concerns. Comput. Chem. Eng. 145 (2021)
David Olave-Rojas, Stefan Nickel
Modeling a pre-hospital emergency medical service using hybrid simulation and a machine learning approach. Simul. Model. Pract. Theory 109 (2021)
Winfried Schröder, Stefan Nickel
Research Data Management as an Integral Part of the Research Process of Empirical Disciplines Using Landscape Ecology as an Example. Data Sci. J. 19 (2020)
Fabian Dunke, Stefan Nickel
A data-driven methodology for the automated configuration of online algorithms. Decis. Support Syst. 137 (2020)
Fabian Dunke, Stefan Nickel
Neural networks for the metamodeling of simulation models with online decision making. Simul. Model. Pract. Theory 99 (2020)
Markus Lücking, Raphael Manke, Markus Schinle, Lukas Kohout, Stefan Nickel, Wilhelm Stork
Decentralized patient-centric data management for sharing IoT data streams. COINS (2020)
Antonio Diglio, Stefan Nickel, Francisco Saldanha-da-Gama
Towards a stochastic programming modeling framework for districting. Ann. Oper. Res. 292 (1) (2020)
Sobhan Razm, Stefan Nickel, Hadi Sahebi
A multi-objective mathematical model to redesign of global sustainable bioenergy supply network. Comput. Chem. Eng. 128 (2019)
Fabian Dunke, Stefan Nickel
Day-ahead and online decision-making for collaborative on-site logistics. J. Simulation 13 (2) (2019)
Seda Yanik, Jörg Kalcsics, Stefan Nickel, Burçin Bozkaya
A multi-period multi-criteria districting problem applied to primary care scheme with gradual assignment. Int. Trans. Oper. Res. 26 (5) (2019)
Felix Brandt, Stefan Nickel
The air cargo load planning problem - a consolidated problem definition and literature review on related problems. Eur. J. Oper. Res. 275 (2) (2019)
Li Zhang, Clemens Kill, Andreas Jerrentrup, Ferdinand Baer, Boris Amberg, Stefan Nickel
Improving Quality of Care in a Multidisciplinary Emergency Department by the Use of simulation Optimization: Preliminary Results. WSC (2018)
Matthias Bender, Jörg Kalcsics, Stefan Nickel, Martin Pouls
A branch-and-price algorithm for the scheduling of customer visits in the context of multi-period service territory design. Eur. J. Oper. Res. 269 (1) (2018)
Fabian Dunke, Iris Heckmann, Stefan Nickel, Francisco Saldanha-da-Gama
Time traps in supply chains: Is optimal still good enough? Eur. J. Oper. Res. 264 (3) (2018)
Stefan Nickel, Sebastian Velten
Optimization problems with flexible objectives: A general modeling approach and applications. Eur. J. Oper. Res. 258 (1) (2017)
Fabian Dunke, Stefan Nickel
Evaluating the quality of online optimization algorithms by discrete event simulation. Central Eur. J. Oper. Res. 25 (4) (2017)
Sibel A. Alumur, Stefan Nickel, Francisco Saldanha-da-Gama, Yusuf Seçerdin
Multi-period hub network design problems with modular capacities. Ann. Oper. Res. 246 (1-2) (2016)
Annika Vernbro, Iris Heckmann, Stefan Nickel
Balancing Effort and Plan Quality: Tactical Supply Chain Planning in the Chemical Industry. OR (2016)
Cristina Núñez-del-Toro, Elena Fernández, Jörg Kalcsics, Stefan Nickel
Scheduling policies for multi-period services. Eur. J. Oper. Res. 251 (3) (2016)
Thomas Setzer, Stefan Nickel, Christof Weinhardt, Ralph Grothmann, Thomas A. Runkler, Ralf Gitzel, Hansjörg Fromm
Vorwort. MKWI (2016)
Daniel Gartner, Ines V. Arnolds, Stefan Nickel
Improving Hospital-wide Patient Scheduling Decisions by Clinical Pathway Mining. MedInfo (2015)
Jörg Kalcsics, Stefan Nickel, Justo Puerto, Antonio M. Rodríguez-Chía
Several 2-facility location problems on networks with equity objectives. Networks 65 (1) (2015)
Teresa Cardoso, Mónica Duarte Oliveira, Ana Paula F. D. Barbosa-Póvoa, Stefan Nickel
An integrated approach for planning a long-term care network with uncertainty, strategic policy and equity considerations. Eur. J. Oper. Res. 247 (1) (2015)
Hadi Sahebi, Stefan Nickel, Jalal Ashayeri
Strategic and tactical mathematical programming models within the crude oil supply chain context - A review. Comput. Chem. Eng. 68 (2014)
Jörg Kalcsics, Stefan Nickel, Miguel A. Pozo, Justo Puerto, Antonio M. Rodríguez-Chía
The multicriteria p-facility median location problem on networks. Eur. J. Oper. Res. 235 (3) (2014)
Holger Neu, Thomas Hanne, Jürgen Münch, Stefan Nickel, Andreas Wirsen
Simulation-Based Risk Reduction for Planning Inspections. CoRR (2014)
Igor Averbakh, Oded Berman, Dmitry Krass, Jörg Kalcsics, Stefan Nickel
Cooperative covering problems on networks. Networks 63 (4) (2014)
Thomas Setzer, Stefan Nickel, Ralf Gitzel, Thomas A. Runkler, Christof Weinhardt
Vorwort. MKWI (2014)
Zvi Drezner, Stefan Nickel, Hans-Peter Ziegler
Stochastic analysis of ordered median problems. J. Oper. Res. Soc. 63 (11) (2012)
Stefan Nickel, Michael Schröder, Jörg Steeg
Mid-term and short-term planning support for home health care services. Eur. J. Oper. Res. 219 (3) (2012)
Sibel A. Alumur, Stefan Nickel, Francisco Saldanha-da-Gama, Vedat Verter
Multi-period reverse logistics network design. Eur. J. Oper. Res. 220 (1) (2012)
Maria Albareda-Sambola, Elena Fernández, Stefan Nickel
Multiperiod Location-Routing with Decoupled Time Scales. Eur. J. Oper. Res. 217 (2) (2012)
Ines V. Arnolds, Stefan Nickel, Sara Shashaani, Christian Wernz
Using simulation in hospital layout planning. WSC (2012)
Eric Ebermann, Stefan Nickel
Scheduling steel plates on a roller furnace. OR (2011)
Jochen Schuld, Thilo Schäfer, Stefan Nickel, Peter Jacob, Martin K. Schilling, Sven Richter
Impact of IT-supported clinical pathways on medical staff satisfaction. A prospective longitudinal cohort study. Int. J. Medical Informatics 80 (3) (2011)
Isabel Correia, Stefan Nickel, Francisco Saldanha-da-Gama
The capacitated single-allocation hub location problem revisited: A note on a classical formulation. Eur. J. Oper. Res. 207 (1) (2010)
Alexandre Beaudry, Gilbert Laporte, M. Teresa Melo, Stefan Nickel
Dynamic transportation of patients in hospitals. OR Spectr. 32 (1) (2010)
Alfredo Marín, Stefan Nickel, Sebastian Velten
An extended covering model for flexible discrete and equity location problems. Math. Methods Oper. Res. 71 (1) (2010)
Elena Fernández, Jörg Kalcsics, Stefan Nickel, Roger Z. Ríos-Mercado
A novel maximum dispersion territory design model arising in the implementation of the WEEE-directive. J. Oper. Res. Soc. 61 (3) (2010)
Jörg Kalcsics, Stefan Nickel, Justo Puerto, Antonio M. Rodríguez-Chía
Distribution systems design with role dependent objectives. Eur. J. Oper. Res. 202 (2) (2010)
Jochen Krebs, Stefan Nickel
Extensions to the continuous ordered median problem. Math. Methods Oper. Res. 71 (2) (2010)
Stefan Nickel, Francisco Saldanha-da-Gama
Logistics network design. OR Spectr. 31 (3) (2009)
Alfredo Marín, Stefan Nickel, Justo Puerto, Sebastian Velten
A flexible model and efficient solution strategies for discrete location problems. Discret. Appl. Math. 157 (5) (2009)
Oded Berman, Jörg Kalcsics, Dmitry Krass, Stefan Nickel
The Ordered Gradual Covering Location Problem on a Network. Discret. Appl. Math. 157 (18) (2009)
M. Teresa Melo, Stefan Nickel, Francisco Saldanha-da-Gama
Facility location and supply chain management - A review. Eur. J. Oper. Res. 196 (2) (2009)
Zvi Drezner, Stefan Nickel
Constructing a DC decomposition for ordered median problems. J. Glob. Optim. 45 (2) (2009)
Thomas Hanne, M. Teresa Melo, Stefan Nickel
Bringing Robustness to Patient Flow Management Through Optimized Patient Transports in Hospitals. Interfaces 39 (3) (2009)
Zvi Drezner, Stefan Nickel
Solving the ordered one-median problem in the plane. Eur. J. Oper. Res. 195 (1) (2009)
Yolanda Hinojosa, Jörg Kalcsics, Stefan Nickel, Justo Puerto, Sebastian Velten
Dynamic supply chain design with inventory. Comput. Oper. Res. 35 (2) (2008)
S. Arifusalem, Stefano Benati, Brian Boffey, Teresa Cáceres, Dietmar Cieslik, Zvi Drezner, Horst A. Eiselt, Ioannis Giannikos, Horst W. Hamacher, John M. Hodgson, Jörg Kalcsics, Kathrin Klamroth, Olivier Klopfenstein, Mercedes Landete, Maria Cruz López de los Mozos Martin, Alfredo Marín, Juan A. Mesa, Malick Ndiaye, Stefan Nickel, Blas Pelegrín
New trends in locational analysis. Comput. Oper. Res. 35 (3) (2008)
Stefan Nickel, Sebastian Velten, Hans-Peter Ziegler
Optimal Control Strategies for Incoming Inspection. OR (2007)
Rodrigo Herrera, Jörg Kalcsics, Stefan Nickel
Reliability Models for the Uncapacitated Facility Location Problem with User Preferences. OR (2007)
Shahin Gelareh, Stefan Nickel
A Benders Decomposition for Hub Location Problems Arising in Public Transport. OR (2007)
M. Teresa Melo, Stefan Nickel, Francisco Saldanha-da-Gama
Dynamic multi-commodity capacitated facility location: a mathematical modeling framework for strategic supply chain planning. Comput. Oper. Res. 33 (2006)
Natashia Boland, Patricia Domínguez-Marín, Stefan Nickel, Justo Puerto
Exact procedures for solving the discrete ordered median problem. Comput. Oper. Res. 33 (11) (2006)
Thomas Hanne, Stefan Nickel
A multiobjective evolutionary algorithm for scheduling and inspection planning in software development projects. Eur. J. Oper. Res. 167 (3) (2005)
Rafael Velásquez, M. Teresa Melo, Stefan Nickel
An LP-based Heuristic Approach for Strategic Supply Chain Design. OR (2005)
Alfredo Marín, Stefan Nickel, Justo Puerto, Sebastian Velten
A Flexible Model and Efficient Solution Strategies for Discrete Location Problems. OR (2005)
Patricia Domínguez-Marín, Stefan Nickel, Pierre Hansen, Nenad Mladenovic
Heuristic Procedures for Solving the Discrete Ordered Median Problem. Ann. Oper. Res. 136 (1) (2005)
Horst W. Hamacher, Martine Labbé, Stefan Nickel, Tim Sonneborn
Adapting polyhedral properties from facility to hub location problems. Discret. Appl. Math. 145 (1) (2004)
Jörg Kalcsics, Stefan Nickel, Justo Puerto
Multifacility ordered median problems on networks: A further analysis. Networks 41 (1) (2003)
Rainer Roosmann, Wolfgang Busch, Julita Gorczyk, Frank Mauersberger, Stefan Nickel, Peter Vosen
Geographic Information Systems Support for Monitoring Environmental Impacts Caused by Deep Hard Coal Mining. EnviroInfo (2003)
Stefan Nickel, Justo Puerto, Antonio M. Rodríguez-Chía
An Approach to Location Models Involving Sets as Existing Facilities. Math. Oper. Res. 28 (4) (2003)
Emilio Carrizosa, Stefan Nickel
Robust facility location. Math. Methods Oper. Res. 58 (2) (2003)
Stefan Nickel
Book Reviews. Math. Methods Oper. Res. 56 (2) (2002)
Jörg Kalcsics, M. Teresa Melo, Stefan Nickel
Mathematical Programming Models for Strategic Supply Chain Planning and Design. OR (2002)
Horst W. Hamacher, Martine Labbé, Stefan Nickel, Anders J. V. Skriver
Multicriteria Semi-Obnoxious Network Location Problems (MSNLP) with Sum and Center Objectives. Ann. Oper. Res. 110 (1-4) (2002)
Matthias Ehrgott, Stefan Nickel
On the number of criteria needed to decide Pareto optimality. Math. Methods Oper. Res. 55 (3) (2002)
Holger Neu, Thomas Hanne, Jürgen Münch, Stefan Nickel, Andreas Wirsen
Simulation-Based Risk Reduction for Planning Inspections. PROFES (2002)
Jörg Kalcsics, Stefan Nickel, Justo Puerto, Arie Tamir
Algorithmic results for ordered median problems. Oper. Res. Lett. 30 (3) (2002)
Christian Icking, Rolf Klein, Lihong Ma, Stefan Nickel, Ansgar Weißler
On bisectors for different distance functions. Discret. Appl. Math. 109 (1-2) (2001)
Barbara Käfer, Stefan Nickel
Error bounds for the approximative solution of restricted planar location problems. Eur. J. Oper. Res. 135 (1) (2001)
Emilio Carrizosa, Horst W. Hamacher, Rolf Klein, Stefan Nickel
Solving Nonconvex Planar Location Problems by Finite Dominating Sets. J. Glob. Optim. 18 (2) (2000)
Antonio M. Rodríguez-Chía, Stefan Nickel, Justo Puerto, Francisco R. Fernández
A flexible approach to location problems. Math. Methods Oper. Res. 51 (1) (2000)
Stefan Nickel, Justo Puerto
A unified approach to network location problems. Networks 34 (4) (1999)
Matthias Ehrgott, Horst W. Hamacher, Stefan Nickel
Geometric Methods to Solve Max-Ordering Location Problems. Discret. Appl. Math. 93 (1) (1999)
Christian Icking, Rolf Klein, Lihong Ma, Stefan Nickel, Ansgar Weißler
On Bisectors for Different Distance Functions. SCG (1999)
Stefan Nickel, Anita Schöbel
A Geometric Approach to Global Optimization. J. Glob. Optim. 15 (2) (1999)
Horst W. Hamacher, Martine Labbé, Stefan Nickel
Multicriteria network location problems with sum objectives. Networks 33 (2) (1999)
Stefan Nickel, Eva-Maria Dudenhöffer
Weber's Problem with Attraction and Repulsion under Polyhedral Gauges. J. Glob. Optim. 11 (4) (1997)
Stefan Nickel
Bicriteria and restricted 2-Facility Weber Problems. Math. Methods Oper. Res. 45 (2) (1997)